EP 1403705 A3 20040421 - Odorless photographic bleaching composition and color photographic processing
Title (en)
Odorless photographic bleaching composition and color photographic processing
Title (de)
Geruchlose photographische Bleichmittelzusammensetzung und farbphotographische Verarbeitung
Title (fr)
Composition de blanchiment photographique sans odeur et traitement des matériaux photographiques en couleur
Publication
Application
Priority
US 25911002 A 20020927
Abstract (en)
[origin: EP1403705A2] An aqueous photographic bleaching composition comprises ferric-ligand bleaching agent (>= 0.01 mole/L), rehalogenating agent (>= 0.01 mole/L) and phthalic acid or its salt (>= 0.01 mole/L). The bleaching composition has a pH of 2-9.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
Citation (search report)
- [X] EP 0329088 A2 19890823 - KONISHIROKU PHOTO IND [JP]
- [X] EP 0334317 A2 19890927 - KONISHIROKU PHOTO IND [JP]
- [X] US 5250401 A 19931005 - OKADA HISASHI [JP], et al
- [X] US 2943935 A 19600705 - WELLIVER LAWRENCE G
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1403705 A2 20040331; EP 1403705 A3 20040421; JP 2004118199 A 20040415; US 2004063044 A1 20040401; US 2004086810 A1 20040506; US 6828084 B2 20041207
DOCDB simple family (application)
EP 03077884 A 20030915; JP 2003334782 A 20030926; US 25911002 A 20020927; US 69437303 A 20031027